Listening to Earth

Multiple Choice Question
What tool did Bob Dziak and his team use to study plate boundaries deep in the ocean?

• Satellites

• Hydrophones

• Submarines

• Telescopes

Tags

NGSS.MS-ESS2-3

Multiple Choice Question
Where did Dziak’s team send hydrophones to record sounds?

• Mid-Atlantic Ridge

• San Andreas Fault

• Challenger Deep

• Mount St. Helens

Multiple Choice Question
What surprised Dziak’s team when they recorded sounds from Challenger Deep?

• They found very few earthquakes

• They heard many more earthquakes than expected

• They recorded volcanic eruptions only

• They did not detect any sounds

Multiple Choice Question
A convergent boundary forms when:

• Plates slide past each other

• Plates move away from each other

• One plate sinks beneath another

• Plates stop moving completely

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Multiple Choice Question
What type of landform is usually formed at a divergent boundary under the ocean?

• Deep trench

• Mid-ocean ridge

• Volcano island arc

• Folded mountain range

Multiple Choice Question
At divergent boundaries, what fills the space as plates move apart?

• Ocean water

• Cold rock

• Magma from the mantle

• Sediments

Multiple Choice Question
Which of the following is common at convergent boundaries?

• Earthquakes only

• Volcanoes only

• Earthquakes and volcanic activity

• None of the above

Tags

NGSS.MS-ESS3-2

Multiple Choice Question
Dziak’s research showed that big earthquakes at divergent boundaries often have:

• Tsunamis

• Foreshocks

• Landslides

• Aftershocks only

Tags

NGSS.MS-ESS3-2

Multiple Choice Question
Why is it difficult for humans to observe mid-ocean ridges directly?

• They are blocked by ice

• They are too close to the surface

• They are deep below the ocean and far from land

• They move too quickly

Multiple Choice Question
According to Dziak, the motion of Earth’s plates occurs at a rate of:

• Several meters per year

• Centimeters per year

• Kilometers per year

• Constant speed of 10 m/s

Tags

NGSS.MS-ESS2-3